Home / 318,071,412,034.04-477,103,973,921.88-145,723,026,281.28

Finding the Fourth Proportional to 318,071,412,034.04, 477,103,973,921.88 and 145,723,026,281.28

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Solution

The fourth proportional to 318,071,412,034.04, 477,103,973,921.88 and 145,723,026,281.28 is: 218,583,098,952.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,071,412,034.04 : 477,103,973,921.88 = 145,723,026,281.28 : x
  2. Step 2: Convert to fraction form
    318,071,412,034.04/477,103,973,921.88 = 145,723,026,281.28/x
  3. Step 3: Cross multiply
    318,071,412,034.04x = 477,103,973,921.88 × 145,723,026,281.28
  4. Step 4: Simplify right side
    318,071,412,034.04x = 69,525,034,930,721,249,034,240
  5. Step 5: Solve for x
    x = 69,525,034,930,721,249,034,240/318,071,412,034.04
  6. Step 6: Final answer
    x = 218,583,098,952.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.